On behalf of our client, an established mining company in Northern Ontario, is seeking an experienced Senior Production Geologist to join their team. This is an exciting time to join a company advancing high-quality assets, building a sustainable future, while placing value on innovation, collaboration, and operational excellence. Reporting to Project Manager, the Senior Production Geologist is responsible for delivering sustainable and reliable mine geological services to support safe and efficient underground operations.

Design, implement and perform grade control, geological mapping, orebody interpretation and effective reconciliations and resource definition practises and standard operating procedures. Design and implement and perform diamond drilling programs, core logging, and sampling and QAQC practises and procedures. Ensure geologic models, including short-term block modelling, are up-to-date and accurate.

Collaborate with exploration teams on near-mine drilling programs. Supervise and mentor geologists, technologists,



and field personnel involved in production geology activities. Ensure production geology activities comply with health, safety, environmental, and regulatory requirements.

Deliver monthly production reconciliation between mine and resource model. Prepare and deliver regular reports on geological performance, ore quality, and team KPIs. Work cross-functionally with mine planning, engineering, operations and metallurgy teams to optimize resource extraction.

Liaise with external consultants, contractors, and regulatory agencies as needed. 7+ years of relevant experience with a focus on underground mining operations ~ Geological modeling software experience with sound knowledge of underground mining methods ~ Familiarity with health and safety practices in underground mining Market-competitive salary + bonus Access to employee and family assistance programs to support your well-being and long-term success

📌 Temporary Production Geologist (Ontario)
🏢 Calstone Search Group
📍 Ontario